/*
 * [New BSD License]
 * Copyright (c) 2011-2012, Brackit Project Team <info@brackit.org>  
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *     * Redistributions of source code must retain the above copyright
 *       notice, this list of conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright
 *       notice, this list of conditions and the following disclaimer in the
 *       documentation and/or other materials provided with the distribution.
 *     * Neither the name of the Brackit Project Team nor the
 *       names of its contributors may be used to endorse or promote products
 *       derived from this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.brackit.xquery.node.stream;

import org.brackit.xquery.xdm.DocumentException;
import org.brackit.xquery.xdm.Stream;

public class TestParallelStream {
	private static class IntegerStream implements Stream<Integer> {
		final int max;

		int current;

		public IntegerStream(int max) {
			this.max = max;
		}

		@Override
		public void close() {
		}

		@Override
		public Integer next() throws DocumentException {
			return (current < max) ? ++current : null;
		}
	}

	public static void main(String[] args) throws Exception {
		int count = 100000000;
		IntegerStream stream = new IntegerStream(count);

		Stream<Integer> outer = new ParallelArrayBlockStream<Integer>(stream);

		int previous = 0;
		Integer next;
		while ((next = outer.next()) != null) {
			if (next != previous + 1) {
				throw new Exception(next + " != " + previous + " + 1");
			}
			previous++;
		}
		outer.close();

		if (previous != count) {
			throw new Exception("Stopped to early: " + previous + " != "
					+ count);
		}
	}
}
